There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Iron weighs more after it rusts.
68
One ragweed plant can release as many as one billion grains of pollen!
51
Cold water weighs more than hot water.
93
Nearly 50% of the world's scientists are assigned to military projects.
71
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65